The Planted Tank Forum - View Single Post - Metal halide or T5 H.O?
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Old 01-19-2012, 02:54 AM   #4
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I wouldn't use MH without co2, It will be an algae farm. But it seems metal halide is the way to go. I didn't have any patience when I first started my tank and I am still paying the price for not having co2 from the start.
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